var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;

if (checkIt('konqueror'))
{
	browser = "Konqueror";
	OS = "Linux";
}
else if (checkIt('safari')) browser = "Safari"
else if (checkIt('omniweb')) browser = "OmniWeb"
else if (checkIt('opera')) browser = "Opera"
else if (checkIt('webtv')) browser = "WebTV";
else if (checkIt('icab')) browser = "iCab"
else if (checkIt('msie')) browser = "Internet Explorer"
else if (!checkIt('compatible'))
{
	browser = "Netscape Navigator"
	version = detect.charAt(8);
}
else browser = "An unknown browser";

if (!version) version = detect.charAt(place + thestring.length);

if (!OS)
{
	if (checkIt('linux')) OS = "Linux";
	else if (checkIt('x11')) OS = "Unix";
	else if (checkIt('mac')) OS = "Mac"
	else if (checkIt('win')) OS = "Windows"
	else OS = "an unknown operating system";
}

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}


var pop_up=true;

function openWin()
{

  if(document.cookie!='')
  {
     var arr_cookie=document.cookie.split(';');
     for(i=0;i<arr_cookie.length;i++)
     {
           var str=arr_cookie[i].toString();

           if(arr_cookie[i].indexOf("newscookie")!=-1)
                 pop_up=false;

           if(arr_cookie[i].indexOf("newscookiepopup")!=-1)
                 pop_up=false;
     }//end for
  }//end if --> (document.cookie!='')

     if(pop_up)
         {
                var popup_name="http://www.netreal.net/pcommon/newsletter_popup.php";
                var popup_height=250, popup_width=500;
                var popup_top=(screen.height-popup_height)/2 - 10;
                var popup_left=(screen.width-popup_width)/2 - 10;
                var popup=window.open(popup_name,"","top=" + popup_top + ",left=" + popup_left + ",width=" + popup_width + ",height=" + popup_height);
                if(popup){
					popup.focus();
				}
         }//end if --> (pop_up)

} //end function --> openWin()


function checkLink(e)
{
	if (!e) var e = window.event;
	var tg = (e.target) ? e.target : e.srcElement
  if(tg.tagName == "IMG")
  {
     if(tg.id!='imgextern')
            pop_up=false;
  }//end if --> (tg.tagName == "IMG")


  if(tg.tagName == "INPUT")
  {
      pop_up=false;
  }//end if --> (tg.tagName == "INPUT")

  
  if (tg.tagName == "A")
  {
        var loc=tg.href;
        var re = new Array();
		//re[0]=/localhost/i;
        re[0]=/netreal.net/i;
		re[1]=/www.netreal.net/i;
        for(i=0;i<re.length;i++)
        {
          r=loc.search(re[i]);
          if(r!=-1){
                pop_up=false;
                break;
          }
        }//end for
  }//end if --> (tg.tagName == "A")
}//end function --> checkLink()

function cancelRfr(e){
  if (!e) var e = window.event;
  if(checkIt('msie')){
  	//alert('msie '+e.keyCode);
	  if(e.keyCode==116)
		pop_up=false;
  }else{
 // alert(e.type);  	alert(e.which);
	  if(e.which==116)
		pop_up=false;
  }
}//end function --> cancelRfr()
document.onkeydown = cancelRfr;
document.onclick = checkLink;